Home / 99,162,020.40-148,743,030.60-60,362,890.80

Finding the Fourth Proportional to 99,162,020.40, 148,743,030.60 and 60,362,890.80

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Solution

The fourth proportional to 99,162,020.40, 148,743,030.60 and 60,362,890.80 is: 90,544,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162,020.40 : 148,743,030.60 = 60,362,890.80 : x
  2. Step 2: Convert to fraction form
    99,162,020.40/148,743,030.60 = 60,362,890.80/x
  3. Step 3: Cross multiply
    99,162,020.40x = 148,743,030.60 × 60,362,890.80
  4. Step 4: Simplify right side
    99,162,020.40x = 8,978,559,313,368,858
  5. Step 5: Solve for x
    x = 8,978,559,313,368,858/99,162,020.40
  6. Step 6: Final answer
    x = 90,544,336.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.